CVE-2023-6931

NameCVE-2023-6931
DescriptionA heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation. A perf_event's read_size can overflow, leading to an heap out-of-bounds increment or write in perf_read_group(). We recommend upgrading past commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3710-1, DLA-3711-1, DSA-5593-1, DSA-5594-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)buster4.19.249-2vulnerable
buster (security)4.19.304-1fixed
bullseye5.10.209-2fixed
bullseye (security)5.10.218-1fixed
bookworm6.1.76-1fixed
bookworm (security)6.1.90-1fixed
sid, trixie6.8.12-1fixed
linux-5.10 (PTS)buster (security)5.10.216-1~deb10u1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebuster4.19.304-1DLA-3710-1
linuxsourcebullseye5.10.205-2DSA-5594-1
linuxsourcebookworm6.1.69-1DSA-5593-1
linuxsource(unstable)6.6.8-1
linux-5.10sourcebuster5.10.205-2~deb10u1DLA-3711-1

Notes

https://git.kernel.org/linus/382c27f4ed28f803b1f1473ac2d8db0afc795a1b (6.7-rc5)

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